Question

______ is the god of sun, music, and medicine. Describe their importance in greek mythology

Answer 1

Apollo is the important god of Greeks. he is the god of many things like sun , music , medicine , knowledge, poetry etc. He was the leader of the Muses (also known as Apollon Musegetes) and was director of their choir – functioning as the patron god of music and poetry.In Greek mythology, he was most widely known as the god of light. 
hope this helpful.

Answer 2

Apollo is the Greek God of music, medicine, archery, and the sun. He caused Achilles to die, threw a disk into the side of Hyacinthus' head, and caused Eros to make the nymph Daphne turn into a tree permanently.